121413132120 has 64 divisors (see below), whose sum is σ = 416273598720. Its totient is φ = 27751572864.

The previous prime is 121413132101. The next prime is 121413132149. The reversal of 121413132120 is 21231314121.

It is a super-2 number, since 2×121413132120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72268882 + ... + 72270561.

It is an arithmetic number, because the mean of its divisors is an integer number (6504274980).

Almost surely, 2^121413132120 is an apocalyptic number.

121413132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121413132120 is an abundant number, since it is smaller than the sum of its proper divisors (294860466600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121413132120 is a wasteful number, since it uses less digits than its factorization.

121413132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144539464 (or 144539460 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121413132120 its reverse (21231314121), we get a palindrome (142644446241).

The spelling of 121413132120 in words is "one hundred twenty-one billion, four hundred thirteen million, one hundred thirty-two thousand, one hundred twenty".